Home / 2,255,773.33-3,112,967.90-1,223,280.81

Finding the Fourth Proportional to 2,255,773.33, 3,112,967.90 and 1,223,280.81

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Solution

The fourth proportional to 2,255,773.33, 3,112,967.90 and 1,223,280.81 is: 1,688,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,773.33 : 3,112,967.90 = 1,223,280.81 : x
  2. Step 2: Convert to fraction form
    2,255,773.33/3,112,967.90 = 1,223,280.81/x
  3. Step 3: Cross multiply
    2,255,773.33x = 3,112,967.90 × 1,223,280.81
  4. Step 4: Simplify right side
    2,255,773.33x = 3,808,033,894,216.00
  5. Step 5: Solve for x
    x = 3,808,033,894,216.00/2,255,773.33
  6. Step 6: Final answer
    x = 1,688,127.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.